<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>页面迷路了 - 404</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', sans-serif;
        }

        body {
            background: #f8f9fa;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }

        .container {
            text-align: center;
            padding: 2rem;
            max-width: 600px;
        }

        .error-code {
            font-size: 8rem;
            color: #2c3e50;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
            animation: float 3s ease-in-out infinite;
        }

        .message {
            font-size: 1.5rem;
            color: #34495e;
            margin: 1rem 0;
        }

        .description {
            color: #7f8c8d;
            margin-bottom: 2rem;
        }

        .search-box {
            width: 80%;
            max-width: 400px;
            padding: 12px;
            border: 2px solid #3498db;
            border-radius: 25px;
            margin: 1rem 0;
            outline: none;
            transition: all 0.3s;
        }

        .search-box:focus {
            box-shadow: 0 0 10px rgba(52, 152, 219, 0.5);
        }

        .action-buttons {
            margin-top: 2rem;
        }

        .btn {
            padding: 12px 24px;
            margin: 0 10px;
            border: none;
            border-radius: 25px;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
            text-decoration: none;
            display: inline-block;
        }

        .btn-primary {
            background: #3498db;
            color: white;
        }

        .btn-secondary {
            background: #95a5a6;
            color: white;
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }

        .astronaut {
            width: 150px;
            margin: 2rem 0;
            animation: rotate 4s linear infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-20px); }
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        @media (max-width: 480px) {
            .error-code { font-size: 6rem; }
            .message { font-size: 1.2rem; }
        }
    </style>
</head>
<body>
    <div class="container">
        <!-- 可以替换成自己的图片 -->
        <img src="https://img.icons8.com/clouds/200/000000/ufo.png" 
             alt="404" 
             class="astronaut"
             onerror="this.style.display='none'">
        
        <div class="error-code">404</div>
        <h1 class="message">哎呀，页面被外星人抓走了！</h1>
        <p class="description">
            您访问的页面已丢失在数字宇宙中<br>
            请检查URL地址
        </p>


        <!-- <div class="action-buttons">
            <a href="index.html" class="btn btn-primary">返回首页</a>
            <a href="index.html" 
               class="btn btn-secondary">返回上一页</a>
        </div> -->
    </div>
</body>
</html>